Does tamsulosin promote ureteral stone expulsion?

BEEM Bottom Line

Why is this study important?

Urinary stones are common emergency department (ED) presentations, which are increasing in prevalence. Controversy persists over the effectiveness of tamsulosin and alpha-blockers as medical expulsive therapy for ureteral stones. Multiple trials have reported conflicting study results. This is the latest trial to try and determine the effect of Tamsulosin on ureteric stones.

Which, if any, threats to validity are most likely to have an impact on the results and how?

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